Fertilization Flashcards
1
Q
T/F. During fertilization, as the sperm penetrates the ovum, a chemical change occurs that normally prevents the entry of other sperm.
A
True.
2
Q
After entry into the ovium during fertilization, the sperm rounds up as a male ____.
A
pronucleus
3
Q
During fertilization, the ovum completes the second meiotic division & produces the female ____. The male and female _____ fuse to form the ____, and____ commences.
A
pronucleus; pronucleus; zygote; embryogenesis
4
Q
By a series of mitotic divisions, the zygote produces the estimated ____ cells found in the neonate and subsequently the ____ cells found in the adult.
A
2 × 10^12; 5 × 10^12
